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LibJS: Add support for do..while statements

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This commit is contained in:
Andreas Kling 2020-04-04 21:29:23 +02:00
parent da0715aba9
commit f8393b80e3
5 changed files with 74 additions and 0 deletions
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24
Libraries/LibJS/AST.cpp
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@ -177,6 +177,20 @@ Value WhileStatement::execute(Interpreter& interpreter) const
return last_value;
}
Value DoWhileStatement::execute(Interpreter& interpreter) const
{
Value last_value = js_undefined();
do {
if (interpreter.exception())
return {};
last_value = interpreter.run(*m_body);
if (interpreter.exception())
return {};
} while (m_test->execute(interpreter).to_boolean());
return last_value;
}
Value ForStatement::execute(Interpreter& interpreter) const
{
RefPtr<BlockStatement> wrapper;
@ -568,6 +582,16 @@ void WhileStatement::dump(int indent) const
body().dump(indent + 1);
}
void DoWhileStatement::dump(int indent) const
{
ASTNode::dump(indent);
print_indent(indent);
printf("DoWhile\n");
test().dump(indent + 1);
body().dump(indent + 1);
}
void ForStatement::dump(int indent) const
{
ASTNode::dump(indent);